DPN

DPN may refer to:

Science and medicine

 * Dermatosis papulosa nigra, a skin condition
 * Diabetic Peripheral Neuropathy, a diabetic neuropathy often associated with sensations of burning, shooting, and tingling
 * Diarylpropionitrile, a synthetic, nonsteroidal compound
 * Diphosphopyridine nucleotide, an old name for Nicotinamide adenine dinucleotide (NAD+), a coenzyme found in all living cells
 * Diffuse proliferative nephritis, a medical condition

Other uses

 * Deaf President Now, a 1988 student protest at Gallaudet University to force the university to hire a deaf president
 * Democratic Party of Namibia
 * Democratic Party of Nauru, a political party in the Pacific nation of Nauru
 * Designated Portsmouth Number, a measure in the Portsmouth Yardstick system of handicapping for dissimilar boats in a race
 * Dip-pen nanolithography, a scanning probe lithography technique
 * Diseased Pariah News (1990–1999), a U.S. magazine about living with HIV and AIDS
 * Double pointed needles, a type of knitting needle